CVE-2021-22905

moderate-risk
Published 2021-06-11

Nextcloud Android App (com.nextcloud.client) before v3.16.0 is vulnerable to information disclosure due to searches for sharees being performed by default on the lookup server instead of only using the local Nextcloud server unless a global search has been explicitly chosen by the user.

Do I need to act?

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0.65% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.5/10 Medium
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Nextcloud

References (4)

Third Party Advisory https://github.com/nextcloud/security-advisories/security/advisories/GHSA-22v9-q...
Exploit https://hackerone.com/reports/1167916
Third Party Advisory https://github.com/nextcloud/security-advisories/security/advisories/GHSA-22v9-q...
Exploit https://hackerone.com/reports/1167916
31
/ 100
moderate-risk
Severity 24/34 · High
Exploitability 2/34 · Minimal
Exposure 5/34 · Minimal